The Ammonoidea of the Upper Chalk. Part 2

Monographs of the Palaeontographical Society Pub Date : 2020-01-02 DOI:10.1080/02693445.2020.1759932

W. Kennedy

引用次数: 5

Abstract

ABSTRACT A total of 40 species, assigned to 17 genera, belonging to the Suborder Ancyloceratina are described. One species is new. Sixteen are from the Upper Turonian, nine from the Lower Campanian, and 15 from the Upper Campanian. Eight types of aptychi are described.

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上白垩统的菊石岩。第2部分

摘要本文报道了载虫亚目17属40种。有一种是新物种。16个来自上土尔尼亚，9个来自下坎帕尼亚，15个来自上坎帕尼亚。描述了八种aptychi。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Monographs of the Palaeontographical Society

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